@cy9394 I also have the same setup as you running my fios modem like you. Are you saying just to unplug the power on the fios modem and tp link router and the issue will be resolved? Any help would...

I've had the exact same issue. 2.4 GHz network is disappearing. Tech Support emailed me and said to change the encryption to TKIP for the networks. I got a text from my wife who is home and said the...

@cheemcheem I have an Archer C5400 and the 2.4 GHz network keeps disappearing as well. It seems to be a broad issue.TP Liink support told me to set the Encryption to TKIP on the networks in advances...